# Relationship history for MSHA mine 2003266

Current hierarchy: **Mike  Constine; Mark  Constine; Rod  Constine → Constine, Incorporated → Constine, Inc. - Grange Hall Pit**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Mark  Constine  et al → Constine, Inc. - Grange Hall Pit; 1996-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Constine, Incorporated → Constine, Inc. - Grange Hall Pit; 2003-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Constine  et al → Constine, Incorporated; 2003-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Constine  et al → Constine, Incorporated; 2003-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rod  Constine  et al → Constine, Incorporated; 2003-04-01 to current/open; source msha-controller-operator-history